Home / 18,423.68-27,635.40-5,276.07

Finding the Fourth Proportional to 18,423.68, 27,635.40 and 5,276.07

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Solution

The fourth proportional to 18,423.68, 27,635.40 and 5,276.07 is: 7,914.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.68 : 27,635.40 = 5,276.07 : x
  2. Step 2: Convert to fraction form
    18,423.68/27,635.40 = 5,276.07/x
  3. Step 3: Cross multiply
    18,423.68x = 27,635.40 × 5,276.07
  4. Step 4: Simplify right side
    18,423.68x = 145,806,304.88
  5. Step 5: Solve for x
    x = 145,806,304.88/18,423.68
  6. Step 6: Final answer
    x = 7,914.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.